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US9881529B2 - Display device and operating method thereof - Google Patents

Display device and operating method thereof Download PDF

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Publication number
US9881529B2
US9881529B2 US14/738,175 US201514738175A US9881529B2 US 9881529 B2 US9881529 B2 US 9881529B2 US 201514738175 A US201514738175 A US 201514738175A US 9881529 B2 US9881529 B2 US 9881529B2
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Prior art keywords
lens array
focal length
grin lens
image
display device
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US20160364836A1 (en
Inventor
Naoki Sumi
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Innolux Corp
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Innolux Corp
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Priority to US14/738,175 priority Critical patent/US9881529B2/en
Assigned to Innolux Corporation reassignment Innolux Corporation ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SUMI, NAOKI
Priority to TW105114750A priority patent/TWI597541B/zh
Priority to CN201610316440.7A priority patent/CN106249423B/zh
Priority to JP2016110166A priority patent/JP6751594B2/ja
Publication of US20160364836A1 publication Critical patent/US20160364836A1/en
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
    • G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
    • G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0093—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for monitoring data relating to the user, e.g. head-tracking, eye-tracking
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/50—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images the image being built up from image elements distributed over a 3D volume, e.g. voxels
    • G02B30/56—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images the image being built up from image elements distributed over a 3D volume, e.g. voxels by projecting aerial or floating images
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • G06F3/013—Eye tracking input arrangements
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • G02F1/13471—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
    • G02F1/294—Variable focal length devices

Definitions

  • the disclosure relates in general to a display device and an operating method thereof, and more particularly to a floating image display device with flexible human interaction and an operating method thereof.
  • floating image displays have become a developing new technology.
  • an original image from a display screen is transferred to show a floating image in the air.
  • the development of floating image would be a promising start for human interactive display devices in the future.
  • the disclosure is directed to a display device and an operating method thereof.
  • the information of the object's position and/or angular movements can be feed back to a control module, and bias arrangements applied to the LC GRIN lens arrays can be adjusted according to the received object information for adjusting the translating image to be projected, allowing a more flexible human interaction with the image.
  • a display device includes a display module, an optical component, a sensing module, and a control module.
  • the display module is for providing an original image.
  • the optical component is disposed on the display module for projecting a translating image of the original image and includes a first liquid crystal (LC) gradient index (GRIN) lens array having a first focal length, and a second LC GRIN lens array having a second focal length and arranged parallel to the first LC GRIN lens array.
  • the sensing module is for detecting an object.
  • the control module is for receiving an object information from the sensing module and adjusting the translating image by applying a first bias arrangement to the first LC GRIN lens array and a second bias arrangement to the second LC GRIN lens array according to the object information.
  • an operating method of a display device includes the following steps: providing an original image from a display module; projecting a translating image of the original image by an optical component, the optical component including a first LC GRIN lens array having a first focal length, and a second LC GRIN lens array having a second focal length and arranged parallel to the first LC GRIN lens array; detecting an object by a sensing module; receiving an object information from the sensing module by a control module; and adjusting the translating image by the control module, wherein the control module adjusts the translating image by applying a first bias arrangement to the first LC GRIN lens array and a second bias arrangement to the second LC GRIN lens array according to the object information.
  • an operating method of a display device includes the following steps: providing an original image from a display module; projecting a translating image of the original image by an optical component, the optical component including a first LC GRIN lens array having a first focal length, and a second LC GRIN lens array having a second focal length and arranged parallel to the first LC GRIN lens array; capturing an image of an object by an image capture device; receiving and analyzing the image from the image capture device by a control module; and adjusting the translating image by the control module, wherein the control module adjusts the translating image by applying a first bias arrangement to the first LC GRIN lens array and a second bias arrangement to the second LC GRIN lens array according to the received image.
  • FIGS. 1-4 are schematic views of a display device according to an embodiment of the present disclosure.
  • FIG. 5 is a schematic view of a liquid crystal (LC) gradient index (GRIN) lens array according to an embodiment of the present disclosure
  • FIG. 6 is a schematic view of a display device according to another embodiment of the present disclosure.
  • FIG. 7 is a schematic view of a display device according to a further embodiment of the present disclosure.
  • the information of the object's position and/or angular movements can be feed back to a control module, and bias arrangements applied to the LC GRIN lens arrays can be adjusted according to the received object information for adjusting the translating image to be projected, allowing a more flexible human interaction with the translating image.
  • FIG. 1 is schematic view of a display device 10 according to an embodiment of the present disclosure.
  • the display device 10 includes a display module 100 , an optical component 200 , a sensing module 300 , and a control module (not shown in drawings).
  • the display module 100 is for providing an original image (a 2D image or a 3D image)
  • the optical component 200 is disposed between the display module 100 and the observer (viewer) for translating the original image to a translating image 400 (a floating image).
  • the optical component 200 includes a first liquid crystal (LC) gradient index (GRIN) lens array 210 , a second LC GRIN lens array 220 , and a transparent interlayer 230 .
  • LC liquid crystal
  • GRIN gradient index
  • the LC GRIN lens including lenticular type LC cell and electrodes.
  • the lenticular type cell pattern is formed by organic materials for filling liquid crystal to create lenticular lens shape.
  • the first LC GRIN lens array has a first focal length f 1
  • the second LC GRIN lens array 220 having a second focal length f 2 .
  • the first LC GRIN lens array 210 and the second LC GRIN lens array 220 are arranged back to back (opposite to each other).
  • the focal lengths from the focal plates of the first LC GRIN lens array 210 and the second LC GRIN lens array 220 are opposite to each other.
  • the lenticular lens extending direction of the first LC GRIN lens array 210 and the second LC GRIN lens array 220 are parallel to each other.
  • the first focal length f 1 and the second focal length f 2 are adjustable by varying applied voltages.
  • the transparent interlayer 230 is disposed between the first LC GRIN lens array 210 and the second LC GRIN lens array 220 for adhering or optical modulating.
  • the first LC GRIN lens array 210 and the second LC GRIN lens array 220 may be formed of one dimensional-arranged lenticular lens (stripe type lens), two dimensional lens array of micro lens (bump type lens), or the combination of both.
  • the selections of types of the LC GRIN lens array 210 and the second LC GRIN lens array 220 may vary according to actual needs and are not limited thereto.
  • the transparent interlayer 230 may be a glass layer, a transparent plastic layer, a transparent glue layer, or air.
  • the sensing module 300 is for detecting an object, such as detecting an object's position or movement.
  • the object is such as a viewer's hand 500 or a viewer's eyes 600 located near the floating image 400 .
  • the sensing module 300 detects the view's head, fingers or other features.
  • the control module (not shown in drawings) is for receiving an object information from the sensing module 300 and adjusting the translating image 400 .
  • the object information may include a position of the object, a viewing angle from a position of the object, and/or an image of the object.
  • the translating image 400 is adjusted by the control module by applying a first bias arrangement to the first LC GRIN lens array 210 and applying a second bias arrangement to the second LC GRIN lens array 220 according to the object information until the translating image 400 reaches a predetermined criteria.
  • the bias arrangement refers to a series of predetermined voltages applied to a series of corresponding electrodes of the first or the second LC GRIN lens array to modulate the arrangement pattern of liquid crystal.
  • the first bias arrangement may be the same as or different from the second bias arrangement.
  • the predetermined criteria may include a target position of the translating image 400 according to the object information, a target sharpness value of the floating image, or a combination of both. That is, after the object, e.g. a hand 500 or eyes 600 , is detected, and the object information is sent back to the control module, followed by the control module analyzing the object information and deciding the applied voltages of the first bias arrangement and the second bias arrangement to adjust the projected translating image 400 for reaching a target position or a target sharpness value.
  • the sensing module 300 may include a body tracking module, an image capture device, or a combination of both.
  • the body tracking module may be such as a depth sensor using time of flight (TOF) mechanism in combination of a normal CCD/CMOS sensor, an IR sensor, a dual camera, an ultrasonic sensor, or other types of optical systems.
  • TOF time of flight
  • the information of the object's position and/or angular movements can be sent to the control module, and bias arrangements applied to the LC GRIN lens arrays 210 and 220 can be adjusted according to the received object information for adjusting the translating image 400 to be projected, allowing a more flexible human interaction with the translating image 400 .
  • an operating method of the display device 10 is provided as well.
  • the operating method includes the following steps.
  • An original image is provided from the display module 100 , and the translating image 400 of the original image is projected by the optical component 200 .
  • the object information of the object from the sensing module 300 is feed back to the control module.
  • the control module adjusts the translating image 400 by applying a first bias arrangement to the first LC GRIN lens array 210 of the optical component 200 and applying a second bias arrangement to the second LC GRIN lens array 220 of the optical component 200 based on the received object information.
  • the above steps of detecting the object, receiving the object information, and adjusting the translating image 400 by applying the first bias arrangement and the second bias arrangement may repeat until the translating image 400 reaches a predetermined criteria, such as a target position of the translating image 400 according to the object information, a target sharpness value of the translating image 400 , or a combination of both. Since varying the applied voltages to the first and second LC GRIN lens arrays 210 and 220 may change the tilt angles of the liquid crystal molecules therein, thereby varying the optical properties of the first and second LC GRIN lens arrays 210 and 220 , the projected translating image 400 can be adjusted accordingly.
  • the step of adjusting the translating image 400 may include adjusting the first focal length of the first LC GRIN lens array 210 and adjusting the second focal length of the second LC GRIN lens array 220 until the translating image 400 reaches a target position.
  • f 1 is the first focal length
  • f 2 is the second focal length
  • d is the optical gap between the first LC GRIN lens array 210 and the second LC GRIN lens array 220
  • L 1 is a distance between the first LC GRIN lens array 210 and the display module 100
  • L 2 is a distance between the second LC GRIN lens array 220 and an original position of the translating image 400 .
  • the optical gap d described herein is substantially equal to the distance between the center of the liquid crystal layer 210 c of the first LC GRIN lens array 210 and the center of the liquid crystal layer 220 c of the second LC GRIN lens array 220 .
  • the distance L 1 is substantially equal to the distance between the pixels P and the center of the liquid crystal layer 210 c of the first LC GRIN lens array 210
  • the distance L 2 is substantially equal to the distance between the center of the liquid crystal layer 220 c of the second LC GRIN lens array 220 and the original position of the translating image 400 .
  • FIG. 2 is schematic view of the display device 10 according to an embodiment of the present disclosure showing an operating method thereof.
  • the display device 10 can detect the movement of an object, such as a viewer's hand, eyes or gaze movement, and adjust the translating image to be projected at an adjusted position according to the new position of the object, allowing a more flexible human interaction with the translating image.
  • an object such as a viewer's hand, eyes or gaze movement
  • the sensing module 300 may include a body tracking module, and the object information may include a position of the object.
  • the object information may include not only the original position of the object but also the new position of the object after the object is moved.
  • L 2 ′ is the distance between the second LC GRIN lens array 220 and the position of the object, e.g. the new position of the object after movement.
  • the control module adjusts the first focal length f 1 and the second focal length f 2 to satisfy the above-mentioned conditions.
  • FIG. 3 is schematic view of the display device 10 according to an embodiment of the present disclosure showing another operating method thereof.
  • the display device 10 can detect the change of a viewing angle by the movement of an object, such as a viewer's angular movement with respect to the display device or a viewer's eyes (gaze) movement, and adjust the translating image to be projected with a desired target sharpness value according to the new viewing angle of the object, allowing a flexible human interaction with the desired sharp translating image from a wider viewing angle.
  • an object such as a viewer's angular movement with respect to the display device or a viewer's eyes (gaze) movement
  • the sensing module 300 may include a body tracking module, and the object information may include a viewing angle from a position of the object.
  • the object information may include not only the original position of the object but also the new viewing angle of the object after the object is moved.
  • d/cos( ⁇ ) is the optical gap between the first LC GRIN lens array and the second LC GRIN lens array
  • ⁇ is the viewing angle from the position of the object. More specifically, the viewing angle ⁇ is an angle difference between an original orthogonal line V 1 from a viewer′ eyes to the optical component 200 and a slightly shifted new orthogonal line V 2 from the viewer′ eyes 600 ′ to the optical component 200 .
  • the viewing angle from the position of the object is
  • the viewing angle ⁇ from the position of the object may be between +30 degrees and ⁇ 30 degrees.
  • the control module adjusts the first focal length f 1 and the second focal length f 2 to satisfy the above-mentioned conditions. After the above-mentioned conditions are satisfied, the optical component 200 adjusts the translating image 400 to reach a target sharpness value.
  • FIG. 4 is schematic view of the display device 10 according to an embodiment of the present disclosure showing an additional operating method thereof.
  • the display device 10 can detect the change of a viewing angle with respect to the display device by the movement of an object, such as a viewer's eyes or gaze movement, and adjust the translating image to be projected with a desired target sharpness value according to the new viewing angle of the object, allowing a flexible human interaction with the desired sharp translating image from a wider viewing angle.
  • the positions of the optical lens 210 L 1 of the first LC GRIN lens array 210 and the positions of the optical lens 220 L 1 of the second LC GRIN lens array 220 are adjusted and shifted to new positions until the translating image 400 reaches a target sharpness value.
  • the positions of the optical lens 210 L 1 of the first LC GRIN lens array 210 are shifted to new positions, as indicated as optical lens 210 L 2
  • the positions of the optical lens 220 L 1 of the second LC GRIN lens array 220 are shifted to new positions, as indicated as optical lens 220 L 2 .
  • the sharpness of the as-formed translating image 400 reaches a target value, providing a desired sharp translating image 400 .
  • FIG. 5 a schematic view of a LC GRIN lens array according to an embodiment of the present disclosure.
  • the first LC GRIN lens array 210 is taken as an example.
  • the first LC GRIN lens array 210 includes transparent substrates 210 - 1 and 210 - 2 , strip electrodes D 1 -D 6 disposed on the transparent substrate 210 - 1 , an electrode layer U 1 , and the liquid crystal layer 210 c disposed between the strip electrodes D 1 -D 6 and the electrode layer U 1 .
  • the electrode layer U 1 may be a planar electrode layer or may include strip electrodes arranged orthogonal to the strip electrodes D 1 -D 6 as well.
  • the applied voltages to the electrodes may be 0V for the electrode layer U 1 and the strip electrodes D 4 , 5V for the strip electrodes D 1 , 2V for the strip electrodes D 2 and D 6 , and 0.5V for the strip electrodes D 3 and D 5 .
  • the applied voltages to the electrodes may be 0V for the electrode layer U 1 and the strip electrodes D 5 , 5V for the strip electrodes D 2 , 2V for the strip electrodes D 1 and D 3 , and 0.5V for the strip electrodes D 4 and D 6 .
  • the bias arrangement is adjusted and varied, the focal length and/or the positions of the as-formed optical lens of the first LC GRIN lens array 210 may vary and shift.
  • the embodiment as illustrated in FIG. 5 shows a 6 multi-electrode type of the strip electrodes, however, the selections of the number of the electrodes in a set of the strip electrodes are not limited to 6 and may vary according to actual needs.
  • FIG. 6 is a schematic view of a display device 20 according to another embodiment of the present disclosure.
  • the elements in the present embodiment sharing the same or similar labels with those in the previous embodiment are the same or similar elements, and the description of which is omitted.
  • the optical component 200 of the display device 20 may further include a first lens array 240 and a second lens array 250 .
  • the first lens array 240 has a third focal length
  • the second lens array 250 has a fourth focal length.
  • the first lens array 240 is disposed on the first LC GRIN lens array 210
  • the second lens array 250 is disposed on the second LC GRIN lens array 220 and arranged parallel to the first lens array 240 .
  • the first lens array 240 and the second lens array 250 are such as lenticular lens arrays or micro lens arrays.
  • the first LC GRIN lens array 210 and the second LC GRIN lens array 220 are disposed between the first lens array 240 and the second lens array 250 .
  • the third focal length and the fourth focal length are fixed values and cannot be adjusted.
  • the first LC GRIN lens array 210 and the first lens array 240 form a first lens set
  • the second LC GRIN lens array 220 and the second lens array 250 form a second lens set.
  • the step of adjusting the translating image 400 may include adjusting the first focal length of the first LC GRIN lens array 210 and adjusting the second focal length of the second LC GRIN lens array 220 until the translating image 400 reaches a target position.
  • f 1 is a total focal length of the first lens set
  • f 2 is a total focal length of the second lens set
  • fig is the first focal length
  • f 2 g is the second focal length
  • f 1 s is the third focal length
  • f 2 s is the fourth focal length
  • d 1 is the optical gap between the first LC GRIN lens array 210 and the first lens array 240
  • d 2 is the optical gap between the second LC GRIN lens array 220 and the second lens array 250
  • d is the optical gap between the first lens set and the second lens set
  • L 1 is a distance between the first lens set and the display module 100
  • L 2 is a distance between the second lens set and an original position of the translating image 400 .
  • the first lens set and the second lens set are provided with higher lens ability.
  • the thicknesses of the liquid crystal layers 210 c and 220 c can be reduced while the whole optical component 200 having the same focus adjusting abilities, thereby a faster response time is achieved, and a lower voltage is required with low power consumption result.
  • FIG. 7 is a schematic view of a display device 30 according to a further embodiment of the present disclosure.
  • the elements in the present embodiment sharing the same or similar labels with those in the previous embodiment are the same or similar elements, and the description of which is omitted.
  • the main difference of the present embodiment from the embodiment as shown in FIG. 1 is the sensing module 300 .
  • the sensing module 300 is such as an image capture device.
  • an image of the viewer's hand 500 or the viewer's eye 600 is captured by the image capture device, and then the image from the sensing module 300 (image capture device) is received and analyzed by the control module.
  • a first bias arrangement is applied to the first LC GRIN lens array 210 and a second bias arrangement is applied to the second LC GRIN lens array 220 according to the received image until the translating image 400 reaches a target sharpness value.
  • the sensing module may include a body tracking module and an image capture device (not shown in drawings).
  • the object information may include a position of the object, a viewing angle from the position of the object, or a combination of both, and the object information may further include an image of the object, and the first focal length and the second focal length are adjusted until the translating image 400 reaches a target sharpness value.
  • the body tracking module carries out the main function of the sensing module, and the image capture device is used as a supportive system to fine-tune the focal lengths of the first LC GRIN lens array and the second LC GRIN lens array.
  • the LC GRIN lens arrays may be replaced by electro-wetting lens arrays, and the focal lengths of the electro-wetting lens array may vary according to the applied voltages as well.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Human Computer Interaction (AREA)
  • Computer Hardware Design (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Stereoscopic And Panoramic Photography (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
US14/738,175 2015-06-12 2015-06-12 Display device and operating method thereof Active 2036-03-07 US9881529B2 (en)

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US14/738,175 US9881529B2 (en) 2015-06-12 2015-06-12 Display device and operating method thereof
TW105114750A TWI597541B (zh) 2015-06-12 2016-05-12 顯示裝置及其操作方法
CN201610316440.7A CN106249423B (zh) 2015-06-12 2016-05-12 显示装置及其操作方法
JP2016110166A JP6751594B2 (ja) 2015-06-12 2016-06-01 表示装置及び表示装置の動作方法

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US20190025604A1 (en) * 2016-02-19 2019-01-24 Panasonic Intellectual Property Management Co., Ltd. Space display apparatus
US10499032B2 (en) 2018-01-24 2019-12-03 Au Optronics Corporation Naked-eye stereoscopic display and method of displaying a stereoscopic image

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